Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 193,330
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     195,003
Calibration 2     193,456
Calibration 3     193,082
ssj_ops@calibrated=193,269
100% 100.0% 193,269 193,330
90% 89.4% 173,942 172,822
80% 79.3% 154,615 153,302
70% 69.4% 135,289 134,187
60% 60.4% 115,962 116,689
50% 50.4% 96,635 97,497
40% 39.6% 77,308 76,498
30% 30.1% 57,981 58,136
20% 20.3% 38,654 39,178
10% 9.8% 19,327 18,976
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,185,555 1,494
Payment 14,185,550
Order Status 1,418,556
Delivery 1,418,555
Stock Level 1,418,556
Customer Report 14,185,550
Calibration 2 New Order 14,071,451 1,494
Payment 14,071,455
Order Status 1,407,146
Delivery 1,407,147
Stock Level 1,407,147
Customer Report 14,071,459
Calibration 3 New Order 14,042,705 1,494
Payment 14,042,711
Order Status 1,404,271
Delivery 1,404,272
Stock Level 1,404,271
Customer Report 14,042,713
100% 100.0% New Order 14,060,561 1,494
Payment 14,060,564
Order Status 1,406,056
Delivery 1,406,056
Stock Level 1,406,057
Customer Report 14,060,561
90% 89.4% New Order 12,570,253 1,494
Payment 12,570,261
Order Status 1,257,025
Delivery 1,257,025
Stock Level 1,257,027
Customer Report 12,570,260
80% 79.3% New Order 11,149,587 1,494
Payment 11,149,588
Order Status 1,114,957
Delivery 1,114,959
Stock Level 1,114,960
Customer Report 11,149,585
70% 69.4% New Order 9,759,129 1,494
Payment 9,759,133
Order Status 975,913
Delivery 975,915
Stock Level 975,914
Customer Report 9,759,133
60% 60.4% New Order 8,487,251 1,494
Payment 8,487,251
Order Status 848,724
Delivery 848,726
Stock Level 848,725
Customer Report 8,487,248
50% 50.4% New Order 7,091,217 1,494
Payment 7,091,217
Order Status 709,121
Delivery 709,120
Stock Level 709,122
Customer Report 7,091,214
40% 39.6% New Order 5,563,463 1,494
Payment 5,563,462
Order Status 556,345
Delivery 556,345
Stock Level 556,348
Customer Report 5,563,462
30% 30.1% New Order 4,228,066 1,494
Payment 4,228,070
Order Status 422,808
Delivery 422,808
Stock Level 422,807
Customer Report 4,228,070
20% 20.3% New Order 2,849,548 1,494
Payment 2,849,547
Order Status 284,954
Delivery 284,955
Stock Level 284,956
Customer Report 2,849,546
10% 9.8% New Order 1,380,137 1,494
Payment 1,380,131
Order Status 138,012
Delivery 138,014
Stock Level 138,012
Customer Report 1,380,134
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0